{"id":1698,"date":"2015-01-26T06:50:48","date_gmt":"2015-01-26T06:50:48","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1698"},"modified":"2015-02-02T06:06:42","modified_gmt":"2015-02-02T06:06:42","slug":"opportunity-11-ans-sur-la-planete-mars","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/26\/opportunity-11-ans-sur-la-planete-mars\/","title":{"rendered":"Opportunity\u00a0: 11 ans sur la plan\u00e8te Mars !"},"content":{"rendered":"

Quand le 25 janvier 2004 le rover Opportunity<\/a> s’est pos\u00e9 sur la plan\u00e8te Mars <\/a>dans la r\u00e9gion de Meridiani Planum<\/em> pr\u00e8s de l’\u00e9quateur, personne n’imaginait qu’il serait toujours vaillant 11 ans plus tard (malgr\u00e9 quelques petits probl\u00e8mes de m\u00e9moire qui n\u00e9cessitent chaque soir de transmettre \u00e0 la Terre les images acquises pendant la journ\u00e9e).<\/p>\n

\"cape<\/a><\/p>\n

Ce robot, initialement con\u00e7u pour r\u00e9aliser une mission de 3 mois et parcourir 800 m\u00e8tres, a surv\u00e9cu \u00e0 6 hivers martiens.<\/p>\n

En juillet 2014 il a m\u00eame franchi le cap des 40 km parcourus, le plus long trajet r\u00e9alis\u00e9 par un robot sur une autre plan\u00e8te depuis les d\u00e9buts de la conqu\u00eate du Syst\u00e8me solaire.<\/p>\n

Pour f\u00eater ce bel anniversaire, Opportunity a pris de la hauteur : il a atteint le sommet de Cape Tribulation<\/em> situ\u00e9 en bordure du crat\u00e8re Endeavour<\/em>, se hissant 135 m au-dessus du niveau de la plaine environnante. Plusieurs mois d’ascension ont \u00e9t\u00e9 n\u00e9cessaires, le rover prenant le temps d’\u00e9tudier sur son chemin des min\u00e9raux argileux (t\u00e9moignages g\u00e9ologiques d’un pass\u00e9 chaud et humide) comme le fait de son c\u00f4t\u00e9 Curiosity<\/a>.<\/p>\n

Ensuite le rover redescendra vers Marathon Valley<\/em>, nom que les ing\u00e9nieurs du Jet Propulsion Laboratory<\/em><\/a> ont donn\u00e9 \u00e0 l’endroit qu’il atteindra au terme d’un p\u00e9riple de 42,2 km, une distance de marathonien !<\/p>\n","protected":false},"excerpt":{"rendered":"

Quand le 25 janvier 2004 le rover Opportunity s’est pos\u00e9 sur la plan\u00e8te Mars dans la r\u00e9gion de Meridiani Planum pr\u00e8s de l’\u00e9quateur, personne n’imaginait qu’il serait toujours vaillant 11 ans plus tard (malgr\u00e9 quelques petits probl\u00e8mes de m\u00e9moire qui n\u00e9cessitent chaque soir de transmettre \u00e0 la Terre les images acquises pendant la journ\u00e9e). Ce … Continuer la lecture de Opportunity\u00a0: 11 ans sur la plan\u00e8te Mars !<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":1700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[778,781,779,780,218,783,782,116,777,776,114,596,160],"class_list":["post-1698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-anniversaire","tag-argile","tag-cape-tribulation","tag-cratere-endeavour","tag-equateur","tag-jet-propulsion-laboratory","tag-marathon-valley","tag-mars","tag-meridiani-planum","tag-opportunity","tag-planete","tag-rover","tag-systeme-solaire"],"yoast_head":"\nOpportunity\u00a0: 11 ans sur la plan\u00e8te Mars !<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/26\/opportunity-11-ans-sur-la-planete-mars\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Opportunity\u00a0: 11 ans sur la plan\u00e8te Mars !\" \/>\n<meta property=\"og:description\" content=\"Quand le 25 janvier 2004 le rover Opportunity s’est pos\u00e9 sur la plan\u00e8te Mars dans la r\u00e9gion de Meridiani Planum pr\u00e8s de l’\u00e9quateur, personne n’imaginait qu’il serait toujours vaillant 11 ans plus tard (malgr\u00e9 quelques petits probl\u00e8mes de m\u00e9moire qui n\u00e9cessitent chaque soir de transmettre \u00e0 la Terre les images acquises pendant la journ\u00e9e). 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